| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a coin or the like improved in durability, humidity resistance, moth-proofing ability and flame resistance. SOLUTION: A coin 1 having economicity and semi-permanentness and a light coin, with which each of oil print is hardly burnt and is not damaged even when getting wet with water, are provided by the multiple production of a non-paper money, to which flame resisting treatment is applied, to be semi-permanently preserved and a material, with which the oil print can be provided as a by-product from petrochemistry, printed on the membrane of synthetic fibers and resins and a shape memory alloy in any arbitrary color. Concerning this method, each of various oil prints is produced from PVC or textile (nylon, silk or cloth) as well.</p> |
